The Battle of Debre Abbay was a conflict between RasMarye of Yejju, Regent of the Emperor of Ethiopia, and his rival from Tigray, DejazmachSabagadis of Agame. Although Ras Marye lost his life in this battle, Dejazmach Sabagadis was defeated, and after surrendering was executed by Ras Marye's Oromo followers.